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> BTW, clusterdb is not schema-aware and will surely fail in any database 

> where more than one schema is in use, because it doesn't trouble to
> schema-qualify table names.

Ok, the following patch should solve this concern.  It also tries to
connect as little times as possible (the previous one would connect one
time per table plus one per database; this one connects two times per
database).

Alvaro Herrera
This commit is contained in:
Bruce Momjian 2002-09-12 00:18:14 +00:00
parent 5dd74c0f21
commit b2711a0aee
1 changed files with 24 additions and 14 deletions
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38
src/bin/scripts/clusterdb
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@ -11,7 +11,7 @@
#
#
# IDENTIFICATION
# $Header: /cvsroot/pgsql/src/bin/scripts/Attic/clusterdb,v 1.2 2002/09/07 16:12:27 petere Exp $
# $Header: /cvsroot/pgsql/src/bin/scripts/Attic/clusterdb,v 1.3 2002/09/12 00:18:14 momjian Exp $
#
#-------------------------------------------------------------------------
@ -121,7 +121,7 @@ if [ "$usage" ]; then
echo " -W, --password Prompt for password"
echo " -d, --dbname=DBNAME Database to cluster"
echo " -a, --all Cluster all databases"
echo " -t, --table='TABLE[(columns)]' Cluster specific table only"
echo " -t, --table='TABLE' Cluster specific table only"
echo " -v, --verbose Write a lot of output"
echo " -e, --echo Show the command being sent to the backend"
echo " -q, --quiet Don't write any output"
@ -152,25 +152,35 @@ fi
for db in $dbname
do
[ "$alldb" -a "$quiet" -ne 1 ] && echo "Clustering $db"
query="SELECT pg_class.relname, pg_class_2.relname FROM pg_class, \
pg_class AS pg_class_2, pg_index WHERE pg_class.oid=pg_index.indrelid\
AND pg_class_2.oid=pg_index.indexrelid AND pg_index.indisclustered"
[ "$alldb" ] && echo "Clustering $db"
query="SELECT nspname, pg_class.relname, pg_class_2.relname FROM pg_class, pg_class AS pg_class_2 JOIN pg_namespace ON (pg_namespace.oid=relnamespace), pg_index WHERE pg_class.oid=pg_index.indrelid AND pg_class_2.oid=pg_index.indexrelid AND pg_index.indisclustered"
if [ -z "$table" ]; then
tables=`${PATHNAME}psql $db $PSQLOPT -F: -P format=unaligned -t -c "$query"`
else
tables=`${PATHNAME}psql $db $PSQLOPT -F: -P format=unaligned -t -c \
"$query AND pg_class.relname='$table'"`
# if tablename has a dot, use it as namespace separator
if echo $table | grep -s '\.' 2>&1 >/dev/null
then
tbl=`echo $table | cut -d. -f2`
nspc=`echo $table | cut -d. -f1`
tables=`${PATHNAME}psql $db $PSQLOPT -F: -P format=unaligned -t -c "$query AND pg_class.relname='$tbl' AND nspname='$nspc'"`
echo $tables
else
tables=`${PATHNAME}psql $db $PSQLOPT -F: -P format=unaligned -t -c "$query AND pg_class.relname='$table'"`
fi
fi
query=
for tabs in $tables
do
tab=`echo $tabs | cut -d: -f1`
idx=`echo $tabs | cut -d: -f2`
${PATHNAME}psql $PSQLOPT $ECHOOPT -c "CLUSTER $idx on $tab" -d $db
if [ "$?" -ne 0 ]; then
echo "$CMDNAME: cluster $table $db failed" 1>&2
fi
nspc=`echo $tabs | cut -d: -f1`
tab=`echo $tabs | cut -d: -f2`
idx=`echo $tabs | cut -d: -f3`
query="$query CLUSTER $idx ON $nspc.$tab;"
done
${PATHNAME}psql $PSQLOPT $ECHOOPT -c "$query" -d $db
if [ "$?" -ne 0 ]
then
echo "$CMDNAME: While clustering $db, the following failed: $query" 1>&2
fi
done
exit 0